Home / 1,206,930.63-1,665,593.61-663,101.64

Finding the Fourth Proportional to 1,206,930.63, 1,665,593.61 and 663,101.64

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Solution

The fourth proportional to 1,206,930.63, 1,665,593.61 and 663,101.64 is: 915,096.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,930.63 : 1,665,593.61 = 663,101.64 : x
  2. Step 2: Convert to fraction form
    1,206,930.63/1,665,593.61 = 663,101.64/x
  3. Step 3: Cross multiply
    1,206,930.63x = 1,665,593.61 × 663,101.64
  4. Step 4: Simplify right side
    1,206,930.63x = 1,104,457,854,364.52
  5. Step 5: Solve for x
    x = 1,104,457,854,364.52/1,206,930.63
  6. Step 6: Final answer
    x = 915,096.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.